Chemical Composition Base Element Fe (Iron) C (Carbon) 0.47 to 0.54 % Cr (Chromium) 0.6 to 1 % Fe (Iron) 97 to 98.2 % (estimate) Mn (Manganese) 0.6 to 1 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.04 % (maximum) Si (Silicon) 0.15 to 0.35 % Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 9.1e8 Pa Ultimate Tensile Strength 9.9e8 Pa Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium steel Alloy Sub-Group 5150/ 5155 Country USA Standards Body SAE (USA) Description Engine poppet valve, martensitic. Alternate Name formerly NV 6, commercially 5150H Designation H51500 Specification Type Standard Specification SAE J775 Specification Year 1993 Specification Status Active Specification Status Notes active 1993 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations SAE, International (SAE) (SAE J)
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Chemical Composition